<%@ page language="java" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'increasejobSort.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
    This is my JSP page. <br>
    <form action="<%=basePath%>/servlet/IncreaseJobSortServlet" method="POST">
    增加一个工作类别<input type="text" name="jobsort" id="increase">
    <input type="submit" value="提交" onClick="return check();"/>
    </form>
  </body>
</html>
<script>
function check(){
	var increase =document.getElementById("increase").value;
	if(increase==""){
		alert("类别不能为空");
		return false;
	}
}
</script>